<?php

namespace app\admin\controller;
use app\admin\enum\CouponAssignType;
use app\admin\enum\CouponGetType;
use app\admin\enum\CouponStatus;
use app\admin\enum\CouponType;
use app\admin\model\User;
use app\common\controller\Backend;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\response\Json;

/**
 * 优惠券
 *
 * @icon fa fa-circle-o
 */
class Coupon extends Backend
{

    protected $noNeedRight = ['disable'];

    /**
     * CouponModel模型对象
     * @var \app\admin\model\tongcheng\CouponModel
     */
    protected $model = null;
    protected $searchFields = 'name';
    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Coupon();
        $this->view->assign("typeList", $this->model->getTypeList());
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->view->assign("getTypeList", $this->model->getGetTypeList());
        $this->view->assign("assignTypeList", $this->model->getAssignTypeList());
        $this->view->assign('userlist', \app\common\model\User::select());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

            foreach ($list as $row) {
            }
            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $params = $this->valid($params);
        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name     = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }

            $params['type']='FULL';

            if ($params['min_money']<$params['money']){
                $this->error('满减金额不能小于优惠金额');
            }
            if($params['assign_user_ids']!=null){

                $params['assign_user_ids']=implode(", ", $params['assign_user_ids']);
            }
            $result = $this->model->allowField(true)->save($params);

//            if ($params['get_type'] == CouponGetType::ASSIGN) {
//
//                // $params['id'] = $this->model->id;
//               // CouponModel::assignCoupon($this->model);
//            }

            if($params['coupon_type']==1){
                if($params['assign_type']=='none'){
                    $userIds = User::column('id'); // 获取 id 列的所有值
                    $userIdsString = implode(',', $userIds);
                }
                if($params['assign_type']=='users'){
                    $userIdsString=$params['assign_user_ids'];
                }
                $this->assignCoupon($this->model,$userIdsString);
            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if ($row['total'] != $row['stocks']) {
            $this->error('优惠券已发放，不能编辑');
        }

        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $params = $this->valid($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name     = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            if ($params['min_money']<$params['money']){
                $this->error('满减金额不能小于优惠金额');
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    /**
     * 禁用优惠券
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function disable($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if ($row['status'] != CouponStatus::NORMAL) {
            $this->error("优惠券【{$row['name']}】当前状态无须禁用");
        }

        Db::startTrans();
        try {

            $result = $row->allowField(true)->save(['status' => CouponStatus::DISABLE]);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    /**
     * 删除
     *
     * @param $ids
     * @return void
     * @throws DbException
     * @throws DataNotFoundException
     * @throws ModelNotFoundException
     */
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $pk       = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $this->model->where($pk, 'in', $ids)->select();

        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {
                if ($item['total'] != $item['stocks']) {
                    $this->error('优惠券已发放，不能删除');
                }
                $count += $item->delete();
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success();
        }
        $this->error(__('No rows were deleted'));
    }


    public static function assignCoupon($coupon,$ids)
    {
        if ( empty($ids)) {
            return false;
        }
        $user_ids = explode(',', $ids);

        if (empty($user_ids)) {
            return false;
        }
        $data = [];
        foreach ($user_ids as $user_id) {
                $data[] = [
                    'coupon_id'   => $coupon['id'],
                    'user_id'     => $user_id,
                    'type'        => $coupon['type'],
                    'name'        => $coupon['name'],
                    'money'       => $coupon['money'],
                    'min_money'   => $coupon['min_money'],
                    'expire_time' => $coupon['expire_day'] * 86400 + time(),
                    'status'      => 0,
                    'get_type'    => CouponGetType::ASSIGN,
                    'coupon_type'=>$coupon['coupon_type'],
                    'start_time'=>$coupon['start_time']
                ];
        }

        Db::startTrans();
        try {
            (new \app\admin\model\CouponRecord())->saveAll($data);
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
            return false;
        }

        return 1;
    }


    /**
     * 验证优惠券
     * @param $data
     * @return array
     */
    protected function valid($data, $coupon = null)
    {


//        if ($data['assign_type'] == CouponAssignType::NONE) {
//            if (empty($data['total']) || $data['total'] <= 0) {
//                $this->error('发放总量必须大于0');
//            }
//        }
        if ($data['assign_type'] == CouponAssignType::USERS && empty($data['assign_user_ids'])) {
            $this->error('指定用户不能为空');
        }
        if ($data['money']<=0) {
            $this->error('请填写优惠金额');
        }

        if (empty($data['expire_day']) || $data['expire_day'] <= 0) {
            $this->error('有效天数必须大于0');
        }

        if (empty($data['start_time'])) {
            $this->error('开始时间不能为空');
        }
        if (empty($data['end_time'])) {
            $this->error('结束时间不能为空');
        }
        if (strtotime($data['start_time']) >= strtotime($data['end_time'])) {
            $this->error('开始时间不能大于等于结束时间');
        }
        if (strtotime($data['end_time'])<time()) {
            $this->error('结束不能小于当前时间');
        }
        $data['start_time'] = strtotime($data['start_time']);
        $data['end_time']   = strtotime($data['end_time']);
        //$data['stocks']     = $data['total'];
        $data['limit_use']  = empty($data['limit_use']) || $data['limit_use'] < 0 || !is_numeric($data['limit_use']) ? 0 : intval($data['limit_use']);
        return $data;
    }


    /**
     * 回收站
     *
     * @return string|Json
     * @throws \think\Exception
     */
    public function recyclebin()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->onlyTrashed()
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }
}
